Tyres for Long Miles |
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NoticeThere are many markings on the sidewall of the summer tyre, we talk about some from these. Not all markings are important to the customer, some are for tyre fitter only.RADIAL (same as R on the right side) – the inside structure of tyre TUBELESS – tyre is designed for use without an inner tube M+S – means a tyre whose tread pattern and whose structure are primarily designed to ensure in mud and fresh or melting snow a performance better than that of an ordinary (road-type) tyre. 225 – tread width in mm 45 – sidewall height in percent of tread width Z – this tyre you can use very high speed (but the speed index describe the max speed) 17 – the rim (wheel) diameter in inch 94 – “Load-capacity index” means a number associated to the reference mass a tyre can carry when operated in conformity with requirements governing utilization specified by the manufacturer (for more information please roll down) W – “Speed category” means the maximum speed which the tyre can sustain, expressed by speed category symbol (for more information please roll down) EXTRA LOAD – describes a pneumatic-tyre structure in which the carcass is more resistant than that of the corresponding standard tyre OUTSIDE / INSIDE – fitting regulation of manufacturers for the asymmetric pattern tyres |
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Most used indexes |
Speed-category | Maximum speed | x | Li = Load-capacity index kg = Corresponding mass of the vehicle which is to be carried |
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symbol | (km/h) | Li | kg | Li | kg | Li | kg | Li | kg | |
S |
180 |
80 81 82 83 84 85 86 87 88 89 |
450 462 475 487 500 515 530 545 560 580 |
90 91 92 93 94 95 96 97 98 99 |
600 615 630 650 670 690 710 730 750 775 |
100 101 102 103 104 105 106 107 108 109 |
800 825 850 875 900 925 950 975 1000 1030 |
110 111 112 113 114 115 116 117 118 119 120 |
1060 1090 1120 1150 1180 1215 1250 1285 1320 1360 1400 |
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